EY

Etsuko Yamamoto

SC Sanyo Electric Co.: 2 patents #2,557 of 6,347Top 45%
Mazda Motor: 1 patents #2,563 of 4,755Top 55%
NA Naldec: 1 patents #23 of 31Top 75%
Overall (All Time): #1,643,432 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5627737 Power inverter for use in system interconnection Masahiro Maekawa, Yasuhiro Makino, Masaki Yugo, Wataru Horio, Takehito Ike +1 more 1997-05-06
5402343 Safety device for an automobile vehicle Mineharu Shibata, Kenji Shodai, Junichi Miyawaki 1995-03-28
5321235 Half-bridge converter switching power supply for magnetron Yasuhiro Makino, Etsuo Sakoguchi, Katsuhiko Ito 1994-06-14